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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1353629Generated: November 1, 2026

3-(1-Benzylpiperidin-4-yl)-8-fluoroquinazoline-2,4(1H,3H)-dione → 8-Fluoro-3-(piperidin-4-yl)quinazoline-2,4(1H,3H)-dione

https://huagongshe.com/reaction/1353629

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(1-Benzylpiperidin-4-yl)-8-fluoroquinazoline-2,4(1H,3H)-dioneHCID 21102155—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product8-Fluoro-3-(piperidin-4-yl)quinazoline-2,4(1H,3H)-dioneHCID 21102218—

Reaction Steps

A flask containing a solution of 3-(1-benzylpiperidin-4-yl)-8-fluoroquinazoline-2,4(1H,3H)-dione (75.0 mg, 0.21 mmol) and palladium on charcoal (8.00 mg, 0.035 equiv) in methanol (3.00 mL) was flushed first with nitrogen, then hydrogen. The reaction was stirred under an atmosphere of hydrogen overnight. The reaction was flushed with nitrogen, filtered through celite, and concentrated to give 53 mg (95%) as a white solid which was used without purification. Mass spec.: 264.25 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07220862B2
Source datasetuspto-grants-2007_05
ORD IDord-e5a2831f44f14d669555625cff3f38a6
Source noteuspto-grants-2007_05